Description
RocBros 10135 - Photochromic Sunglasses Intelligent Lens, Photochromic Clear Transparent Ultralight Rimless UV400 Protection Great for Golf, Cycling, Driving, Skiing, Running, Tennis, Racing and Other Outdoor Sports
Intelligent lens sunglasses automatically lightens or darkens in response to changing light conditions without needing to switch between glasses. Frameless construction giving you more clear peripheral vision to avoid the frame blocking your view
Transmittance: 80%-18% (80% is light grey colour when in low UV, 18% is dark grey colour when in high UV)
Warning:
Colour changing time differs from intensity of sunlight. Winter for about 3 minutes, summer for about 2 minutes
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